petraeus' extramarital fair with his biographer paula broadwell after a second woman, jill kelley, reported receiving anonymous threatening e-mails. kelley and her husband knew petraeus and his wife socially. there's no evidence of romantic involvement between kelley and petraeus. there are reports broadwell's computer may have contained classified information. if true, that's another issue congress is sure to want to investigate. in washington i'm randall pinkston, back to you, derek. >> speaking at the university of denver last month broadwell said the cia had detainees in benghazi and that is what sparked the attack. the cia says not. so president obama did sign an order in 2009 outlawing those operations. >>> our health alert tonight, a new study suggests moms that get sick with a flu or any kind of illness that causes fever during pregnancy maybe at higher risk of having a child with autism. the news makes prenatal checkups all the more important. >> i do everything i cannot to get sick. >> reporter: this new mother knows it's important to stay healthy for herself and her unborn baby.